The element iodine (1) occurs naturally as a single isotope of atomic mass 127 and an atomic number of 53. How many
protons, electrons, and neutrons would this atom of iodine
contain? (Protons/Electrons/Neutrons)

1. and 2. question: in which equation? or i don't understand you, 3. a), 4. c), 5. c), 6. b), 7. d), 8. d) if small number is underlined(behind symbol) , b) if big number is underlined(in front of symbol)9. what is underlined there? 10. c)

Iwould you figure it out but you don't have a picture or in your question as to what the physical property you're looking for is

Answer    "a salt" would be the best answerexplanationsalts can be defined as ionic compounds that are neither acids nor bases. nacl is an example of a salt, and its ionic.an enzyme is an organic compound which is covalently bonded, not ionically bonded.acids are generally held together by covalent bondsan element does not need any bonds to exist